.fullscreenvideo {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    z-index: -100;
    -webkit-transform: translateX(-50%) translateY(-50%);
    transform: translateX(-50%) translateY(-50%);
    -webkit-transition: 1s opacity;
    transition: 1s opacity;
}
.videocontainer{
    position: fixed;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: -100;
}

.videocontainer:before{
    content: "";
    position: absolute;
    width: 100%;
    height: 100%;
    display: block;
    z-index: -1;
    top: 0;
    left: 0;
    background: rgba(25,29,34,.65);
}